The HHT521 is a compact global power solution that integrates four international plug standards into a single unit.2 Equipped with advanced GaN (Gallium Nitride) or high-efficiency circuitry, it provides a total of 35W output through its multiple USB ports, allowing for rapid charging that is up to 5x faster than standard 5W chargers.3
Key Features
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Worldwide Compatibility: Sliding plug system covers 150+ countries, including the USA, UK, Europe, Australia, and China.4
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5-in-1 Charging Hub: Features 2 USB-C ports, 2 USB-A ports, and 1 Universal AC Socket, allowing you to power up to 5 devices simultaneously.
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35W Power Delivery (PD): The primary USB-C port provides enough power to charge a MacBook Air or fast-charge the latest smartphones to 50% in approximately 30 minutes.
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Safety First: Built-in 8A or 10A fuse (often with a spare included) and a multi-protection system that guards against over-current, over-voltage, and short circuits.
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Smart IC Technology: Automatically detects the connected device and delivers the optimal current for the fastest and safest charging.
Technical Specifications
| Feature | Specification |
| Input Voltage | 100V–250V AC, 50/60Hz |
| Max AC Load | 8A (880W at 110V / 1920W at 240V) |
| Total USB Output | 35W Max |
| USB-C1 (PD) Output | 5V/3A, 9V/3A, 15V/2.33A, 20V/1.75A (35W Max) |
| Materials | Fire-resistant PC (Polycarbonate) |
| Certifications | CE, FCC, RoHS, UKCA |




